Commit ef0cc7fe authored by Tang Yuantian's avatar Tang Yuantian Committed by Tejun Heo
Browse files

ahci: qoriq: Adjust the default register values on ls1043a 



Updated the registers' values to enhance SATA performance and
reliability.

Signed-off-by: default avatarTang Yuantian <Yuantian.Tang@freescale.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent f893180b

drivers/ata/ahci_qoriq.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -39,6 +39,8 @@ 
#define AHCI_PORT_PHY_4_CFG	0x00480811

#define AHCI_PORT_PHY_4_CFG	0x00480811

#define AHCI_PORT_PHY_5_CFG	0x192c96a4

#define AHCI_PORT_PHY_5_CFG	0x192c96a4

#define AHCI_PORT_TRANS_CFG	0x08000025

#define AHCI_PORT_TRANS_CFG	0x08000025

#define LS1043A_PORT_PHY2	0x28184d1f

#define LS1043A_PORT_PHY3	0x0e081509





#define SATA_ECC_DISABLE	0x00020000

#define SATA_ECC_DISABLE	0x00020000
@@ -159,6 +161,12 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) 
		break;

		break;





	case AHCI_LS1043A:

	case AHCI_LS1043A:

		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);

		writel(LS1043A_PORT_PHY2, reg_base + PORT_PHY2);

		writel(LS1043A_PORT_PHY3, reg_base + PORT_PHY3);

		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);

		break;



	case AHCI_LS2080A:

	case AHCI_LS2080A:

		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);

		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);

		break;

		break;